The TOTO Connelly Dual-Max, Dual Flush 1.28 and 0.9 GPF Toilet Tank is designed for use with the Connelly dual flush bowl. The Connelly tank includes a tank to bowl gasket, tank to bowl hardware, and toilet bolt caps. The Connelly tank features TOTO's Dual-Max dual flush option, allowing you to proactively conserve water usage. The left-hand chrome trip lever allows you to choose between a 0.9 GPF rinse or 1.28 GPF for tougher jobs. The Connelly tank meets the standards for EPA WaterSense, and California, CEC and CALGreen requirements. Additional items needed for installation and use must be purchased separately: toilet bowl, wax ring, toilet mounting bolts, water supply lines, and toilet seat. The Connelly ST494M tank can be used on the CT494CEFG and CT494CEF bowls. Connelly toilet tank for use with Connelly CT494CEMFG or CT494CEMF toilet bowl. Dual-Max flushing system allows you to proactively conserve water - Select 1.28 GPF or 0.9 GPF. Left-hand chrome trip lever. WaterSense, CALGreen, and CEC compliant. Included parts: tank to bowl gasket, tank to bowl hardware, and toilet bolt caps. Purchased separately: Connelly bowl, wax ring, toilet mounting bolts, water supply lines, and toilet seat